Welcome to my astrophysics homepage. I am currently a professor at the
University of Surrey, UK.
My main area of research is in astrophysical probes of
dark matter.
I study everything from the tiniest galaxies in the Universe,
where we can measure how dark matter clusters on the smallest scales,
to giant clusters of galaxies, where we can produce real images of the
distribution of dark matter using the
gravitational lensing effect.
For further information, including all of my latest research news, please see: